CN114504860A - Solid-liquid separation equipment for petroleum refining - Google Patents
Solid-liquid separation equipment for petroleum refining Download PDFInfo
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- CN114504860A CN114504860A CN202210094053.9A CN202210094053A CN114504860A CN 114504860 A CN114504860 A CN 114504860A CN 202210094053 A CN202210094053 A CN 202210094053A CN 114504860 A CN114504860 A CN 114504860A
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- solid
- fixedly connected
- cylinder body
- scraper
- petroleum
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- 239000007788 liquid Substances 0.000 title claims abstract description 121
- 238000005504 petroleum refining Methods 0.000 title claims abstract description 43
- 238000000926 separation method Methods 0.000 title claims abstract description 34
- 239000000203 mixture Substances 0.000 claims abstract description 65
- 238000007790 scraping Methods 0.000 claims abstract description 42
- 230000002441 reversible effect Effects 0.000 claims description 57
- 238000000034 method Methods 0.000 claims description 25
- 238000001914 filtration Methods 0.000 claims description 18
- 229920001971 elastomer Polymers 0.000 claims description 14
- 238000005485 electric heating Methods 0.000 claims description 9
- 239000002893 slag Substances 0.000 claims description 9
- 238000012544 monitoring process Methods 0.000 claims description 7
- 229920000459 Nitrile rubber Polymers 0.000 claims description 4
- NTXGQCSETZTARF-UHFFFAOYSA-N buta-1,3-diene;prop-2-enenitrile Chemical compound C=CC=C.C=CC#N NTXGQCSETZTARF-UHFFFAOYSA-N 0.000 claims description 4
- 230000003247 decreasing effect Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000005194 fractionation Methods 0.000 abstract description 11
- 239000002699 waste material Substances 0.000 abstract description 11
- 239000003208 petroleum Substances 0.000 description 87
- 239000003921 oil Substances 0.000 description 50
- 239000007787 solid Substances 0.000 description 20
- 239000002245 particle Substances 0.000 description 17
- 238000007670 refining Methods 0.000 description 15
- 230000000694 effects Effects 0.000 description 10
- 230000005484 gravity Effects 0.000 description 10
- 238000003756 stirring Methods 0.000 description 6
- 230000003670 easy-to-clean Effects 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000008247 solid mixture Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004523 catalytic cracking Methods 0.000 description 1
- 238000001833 catalytic reforming Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000005292 vacuum distillation Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/087—Cleaning containers, e.g. tanks by methods involving the use of tools, e.g. brushes, scrapers
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G53/00—Treatment of hydrocarbon oils, in the absence of hydrogen, by two or more refining processes
- C10G53/02—Treatment of hydrocarbon oils, in the absence of hydrogen, by two or more refining processes plural serial stages only
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/10—Feedstock materials
- C10G2300/1037—Hydrocarbon fractions
Abstract
The invention belongs to the technical field of mechanical equipment, and particularly relates to solid-liquid separation equipment for petroleum refining; the scraping component is arranged in the cylinder and used for scraping solid-liquid mixture on the inner wall of the cylinder; the fastening assembly is arranged in the cylinder body and used for changing the motion state of the scraping assembly; according to the invention, through the matching of the scraping component and the fastening component, the solid-liquid mixture adhered to the inner wall of the cylinder body is scraped by the scraping component, so that the inner wall of the cylinder body is completely scraped, the waste of fractionation products adhered to the inner wall of the cylinder body is reduced, meanwhile, the influence of the solid-liquid mixture adhered to the inner wall of the cylinder body on the next petroleum refining is avoided, and the purity of the petroleum refining is further improved.
Description
Technical Field
The invention belongs to the technical field of mechanical equipment, and particularly relates to solid-liquid separation equipment for petroleum refining.
Background
Crude oil can be processed into petroleum supply markets after being mined through processing links such as refining, the petroleum refining is to crack petroleum into different products such as gasoline, diesel oil, kerosene, petroleum gas, ethylene, asphalt and the like through high-temperature fractionation, the common technological processes of the petroleum refining are atmospheric and vacuum distillation, catalytic cracking, delayed coking, oxygen cracking, solvent deasphalting, oxygen refining and catalytic reforming, solid-liquid mixtures are often generated in the petroleum refining process, and the solid-liquid mixtures are required to be subjected to solid-liquid separation;
in the prior art, in the process of solid-liquid separation equipment for petroleum refining, a worker introduces petroleum from a feed inlet, a resistance wire at the bottom performs high-temperature fractionation on the introduced petroleum, and a solid-liquid mixture after fractionation is filtered and separated by filtering equipment to obtain a product without solids; however, when the petroleum is fractionated and enters a solid-liquid separation stage, the petroleum has viscosity, and a solid-liquid mixture is stuck on the inner wall of equipment, so that the waste of products after the petroleum is fractionated is caused, and meanwhile, the viscous solid-liquid mixture is not easy to clean;
in view of the above, in order to overcome the above technical problems, the present invention provides a solid-liquid separation apparatus for petroleum refining, which solves the above technical problems.
Disclosure of Invention
In the prior art, in the process of solid-liquid separation equipment for petroleum refining, workers introduce petroleum from a feed inlet, resistance wires at the bottom of the petroleum are used for carrying out high-temperature fractionation on the introduced petroleum, and a solid-liquid mixture after fractionation is filtered and separated by filtering equipment to obtain a product without solids; however, when the petroleum is fractionated and enters a solid-liquid separation stage, the petroleum has viscosity, and a solid-liquid mixture is stuck on the inner wall of equipment, so that the waste of products after the petroleum is fractionated is caused, and meanwhile, the viscous solid-liquid mixture is not easy to clean;
the invention provides solid-liquid separation equipment for petroleum refining, which comprises a cylinder, a first forward and reverse rotating motor, an electric heating wire, an oil inlet pipe and a base, wherein the first forward and reverse rotating motor is fixedly connected to the top of the cylinder; is used for providing power; an oil inlet pipe is communicated with one side of the cylinder body and used for conveying oil; the bottom of the cylinder is provided with an electric heating wire for providing a heat source; one end of the base is fixedly connected with the bottom of the cylinder, and one end of the base, which is far away from the cylinder, is in contact with the ground; also includes;
a scraping assembly; the scraping component is arranged in the cylinder and is used for scraping solid-liquid mixture on the inner wall of the cylinder;
a fastening assembly; the fastening assembly is arranged in the cylinder body and used for changing the motion state of the scraping assembly.
Preferably, the scraping assembly comprises:
a screw rod; one end of the screw rod is fixedly connected with an output shaft of a first forward and reverse rotating motor;
a squeegee; the scraper plate is sleeved on the screw rod;
a ball bearing; the ball is arranged between the screw rod and the scraper plate;
a groove; the inner wall of the cylinder body is provided with a groove.
Preferably, the fastening assembly comprises:
a second positive and negative rotation motor; the second forward and reverse rotating motor is fixedly connected to the top of the scraper;
a flat gear; the flat gear is fixedly connected with an output shaft of a second forward and reverse rotating motor;
a T-shaped chute; the T-shaped sliding groove is formed in the scraper plate;
a T-shaped slider; the T-shaped sliding block is arranged in the T-shaped sliding groove;
a rack; the rack is fixedly connected to one side of the T-shaped sliding block, which is far away from the T-shaped sliding groove; the rack is meshed with the flat gear;
a first clamp; one end of the first clamp is fixedly connected to the top of the scraper, and the first clamp is connected with the screw rod in a sliding manner;
a second clamp; one end of the second clamp is fixedly connected to the T-shaped sliding block; the second clamp is connected with the scraper in a sliding mode.
Preferably, an expansion link is fixedly connected in the scraping plate.
Preferably, one side of the cylinder body is provided with a filtering component for filtering the refined solid-liquid mixture; the filter assembly includes:
a filter box; the filter box is positioned on one side of the cylinder body and is fixedly connected with the outer surface of the cylinder body;
an oil outlet pipe; the oil outlet pipe penetrates through one side of the cylinder body, and one end of the oil outlet pipe, which is far away from the cylinder body, extends into the filter box;
a baffle plate; the baffle is connected with the oil outlet pipe in a sliding manner;
a filter screen; the filter screen is arranged below the oil outlet pipe and is fixedly connected with the inner wall of the filter box;
a slag discharge port; the slag discharge port is fixedly connected with one side of the filter box far away from the cylinder;
a liquid discharge port; the liquid outlet is fixedly connected to one side of the filter box; for draining the filtered oil.
Preferably, the number of the filter screens is more than one, and the holes on each filter screen are arranged in a staggered manner; and the diameters of the holes on the filter screen are gradually decreased.
Preferably, a spring is fixedly connected between the filter screens.
Preferably, a rubber block is fixedly connected to one side, close to the screw rod, of the first clamp and the second clamp, and the rubber block is made of butadiene acrylonitrile rubber.
Preferably, a monitoring module is fixedly connected to the top of the T-shaped sliding block.
Preferably, a push plate is fixedly connected to one end, far away from the first forward and reverse rotating motor, of the screw rod.
The invention has the following beneficial effects:
1. the invention provides solid-liquid separation equipment for petroleum refining, which ensures that a solid-liquid mixture adhered to the inner wall of a cylinder body is scraped by a scraping assembly through the matching of the scraping assembly and a fastening assembly, so that the inner wall of the cylinder body is scraped completely, the waste of fractionated products adhered to the inner wall of the cylinder body is reduced, the influence of the solid-liquid mixture adhered to the inner wall of the cylinder body on the refining of petroleum at the next time is avoided, and the purity of the petroleum refining is further improved.
2. The invention provides solid-liquid separation equipment for refining petroleum, petroleum refined by a cylinder flows into a filter box from an oil outlet pipe, and a solid-liquid mixture is subjected to multistage filtration through a plurality of filter screen plates which are sequentially and fixedly arranged from top to bottom, so that solid particles are on different filter screens, the aperture of each filter screen is sequentially decreased from top to bottom, the filtering efficiency of the solid particles is increased, and the problem of oil drainage difficulty caused by the accumulation of the solid particles on the independent filter screens is avoided; meanwhile, the contact area and time of solid particles in petroleum and the filter screen are increased by the design of the holes in the filter screen which are staggered with each other, so that refined petroleum is filtered more fully, and the quality of refined petroleum finished products is improved.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a body diagram of the present invention;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is a cross-sectional view of the present invention;
FIG. 4 is a cross-sectional view of the present invention;
FIG. 5 is an enlarged view taken at A of FIG. 2 in accordance with the present invention;
FIG. 6 is an enlarged view of the invention at B of FIG. 4;
FIG. 7 is an enlarged view of the invention at C of FIG. 4;
in the figure: the device comprises a cylinder body 1, a first forward and reverse rotation motor 2, an electric heating wire 3, an oil inlet pipe 4, a base 5, a screw rod 6, a scraping plate 7, a ball 8, a groove 9, a second forward and reverse rotation motor 11, a flat gear 12, a T-shaped sliding groove 13, a T-shaped sliding block 14, a rack 15, a first clamp 16, a second clamp 17, an expansion link 18, a filter box 19, an oil outlet pipe 21, a baffle 22, a filter screen 23, a slag discharge port 24, a liquid discharge port 25, a spring 26, a rubber block 27, a monitoring module 28 and a push plate 29.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are a part of the embodiments of the present invention, but not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The solid-liquid separation equipment for petroleum refining in the prior art has the defects that when petroleum is fractionated and enters a solid-liquid separation stage, the petroleum is viscous, a solid-liquid mixture is stuck on the inner wall of the equipment, so that the waste of products after the petroleum is fractionated is caused, and the viscous solid-liquid mixture is not easy to clean;
in order to solve the above problems, the present embodiment adopts the following main concepts: according to the invention, through the matching of the scraping component and the fastening component, the solid-liquid mixture adhered to the inner wall of the cylinder body 1 is scraped by the scraping component, so that the inner wall of the cylinder body 1 is scraped completely, the waste of fractionation products adhered to the inner wall of the cylinder body 1 is reduced, meanwhile, the influence of the solid-liquid mixture adhered to the inner wall of the cylinder body 1 on the next refining of petroleum is avoided, and further, the refining purity of the petroleum is improved.
In order to better understand the technical scheme, the technical scheme is described in detail in the following with reference to the drawings and the specific embodiments;
the invention provides solid-liquid separation equipment for petroleum refining, which comprises a cylinder body 1, a first forward and reverse rotation motor 2, an electric heating wire 3, an oil inlet pipe 4 and a base 5, wherein the first forward and reverse rotation motor 2 is fixedly connected to the top of the cylinder body 1, and an output shaft of the first forward and reverse rotation motor 2 penetrates through the top of the cylinder body 1 and is rotatably connected with the top of the cylinder body 1; is used for providing power; an oil inlet pipe 4 is penetrated through one side of the cylinder body 1 and used for conveying oil; the bottom of the cylinder body 1 is provided with an electric heating wire 3 for providing a heat source; one end of the base 5 is fixedly connected with the bottom of the barrel body 1, and one end, far away from the barrel body 1, of the base 5 is in contact with the ground; also includes;
a scraping assembly; the scraping component is arranged in the cylinder body 1 and is used for scraping solid-liquid mixture on the inner wall of the cylinder body 1;
a fastening assembly; the fastening assembly is arranged in the cylinder body 1 and used for changing the motion state of the scraping assembly;
the working personnel open the valve of the oil inlet pipe 4, the petroleum is injected into the cylinder 1, and the electric heating wire 3 is opened at the same time of injecting the petroleum to heat and refine the petroleum in the cylinder 1; after the petroleum is injected, the scraping component reaches the top end of the petroleum liquid level, and the scraping component is fastened by using a fastening component; the situation that the scraping assembly moves down into the petroleum is avoided; after petroleum is refined and changed into a solid-liquid mixture, the solid-liquid mixture is discharged from the cylinder body 1, the fastening effect of the fastening component on the scraping component is relieved, the first forward and reverse rotating motor 2 is controlled to rotate forward under the control of an electrical system, the scraping component is driven to move downward, and the scraping component scrapes the solid-liquid mixture adhered to the inner wall of the cylinder body 1 in the downward moving process of the scraping component, so that the cleanness of the cylinder body 1 is ensured, the solid-liquid mixture adhered to the inner wall of the cylinder body 1 is prevented from influencing the refining of petroleum next time, and the purity of petroleum refining is improved; the waste of products after petroleum fractionation is also reduced; the use effect of the solid-liquid separation equipment for petroleum refining is improved; the base between the cylinder body 1 and the ground plays a role of supporting;
in the prior art, in the process of solid-liquid separation equipment for petroleum refining, workers introduce petroleum from a feed inlet, resistance wires at the bottom of the petroleum are used for carrying out high-temperature fractionation on the introduced petroleum, and a solid-liquid mixture after fractionation is filtered and separated by filtering equipment to obtain a product without solids; however, when the petroleum is fractionated and enters a solid-liquid separation stage, the petroleum has viscosity, and a solid-liquid mixture is stuck on the inner wall of equipment, so that the waste of products after the petroleum is fractionated is caused, and meanwhile, the viscous solid-liquid mixture is not easy to clean;
according to the invention, through the matching of the scraping component and the fastening component, the solid-liquid mixture adhered to the inner wall of the cylinder body 1 is scraped by the scraping component, so that the inner wall of the cylinder body 1 is scraped completely, the waste of fractionation products adhered to the inner wall of the cylinder body 1 is reduced, meanwhile, the influence of the solid-liquid mixture adhered to the inner wall of the cylinder body 1 on the next refining of petroleum is avoided, and further, the refining purity of the petroleum is improved.
As an embodiment of the present invention, the scraping assembly includes:
a screw rod 6; one end of the screw rod 6 is fixedly connected with an output shaft of the first forward and reverse rotating motor 2;
a squeegee 7; the scraper 7 is sleeved on the screw rod 6;
a ball 8; the ball 8 is arranged between the screw 6 and the scraper 7;
a groove 9; the inner wall of the cylinder body 1 is provided with a groove 9;
as an embodiment of the present invention, the fastening assembly includes:
a second forward and reverse rotation motor 11; the second forward and reverse rotation motor 11 is fixedly connected to the top of the scraper 7;
a flat gear 12; the flat gear 12 is fixedly connected with an output shaft of a second forward and reverse rotating motor 11;
a T-shaped chute 13; the T-shaped sliding groove 13 is formed in the scraper 7;
a T-shaped slider 14; the T-shaped sliding block 14 is arranged in the T-shaped sliding groove 13;
a rack 15; the rack 15 is fixedly connected to one side of the T-shaped sliding block 14 away from the T-shaped sliding groove 13; the rack 15 is meshed with the flat gear 12;
a first clamp 16; one end of the first clamp 16 is fixedly connected to the top of the scraper 7, and the first clamp 16 is connected with the screw rod 6 in a sliding manner;
a second clamp 17; one end of the second clamp 17 is fixedly connected to the T-shaped sliding block 14; the second clamp 17 is connected with the scraper 7 in a sliding manner;
when petroleum needs to be refined, a worker opens the oil inlet pipe 4 to inject oil into the interior, at the moment, the forward and reverse rotation motor 2 is controlled to rotate forward under the control of an electric system, the forward and reverse rotation motor drives the screw rod 6 to rotate, the screw rod 6 drives the scraper 7 to rotate, and the T-shaped slider 14 at the top of the scraper 7 is in a clamping state with the groove 9 in the inner wall of the barrel 1, so that the T-shaped slider 14 limits the rotation of the scraper 7, the scraper 7 is enabled to move upwards along the screw rod 6 along the direction of the groove 9 formed in the barrel 1, and meanwhile, in the process that the scraper 7 rises, a cavity is formed between the scraper 7 and the bottom of the barrel 1 to generate negative pressure, so that the petroleum is sucked into the barrel 1 from the oil inlet pipe 4, and the petroleum injection speed is increased;
when the scraper 7 rises to the top of the groove 9 along the groove 9, the rotation of the first forward and reverse rotation motor 2 is stopped, the oil inlet pipe 4 is closed, the oiling is stopped, at the moment, a worker operates an electrical system to control the second forward and reverse rotation motor to rotate forward, the forward rotation second forward and reverse rotation motor 11 drives the flat gear 12 to rotate, the rotating flat gear 12 drives the meshed rack 15 to move, and further drives the T-shaped slider 14 fixedly connected to the rack 15 to move transversely along the T-shaped chute 13, in the moving process, the second clamp 17 fixedly connected to the T-shaped slider 14 gradually approaches to the screw rod 6, when the second clamp 17 contacts with the first clamp 16, the first clamp 16 and the second clamp 17 are fastened on the screw rod 6, and the scraper 7 is fixed on the screw rod 6, so that the release position of the T-shaped slider 14 and the groove 9 is limited;
after the scraper 7 is fastened on the screw rod 6 by the fastening assembly, a worker operates an electric system to control the forward and reverse motor to rotate forward, the forward and reverse motor drives the screw rod 6 to rotate, the rotating screw rod 6 stirs the petroleum in the barrel 1, the petroleum is heated uniformly, and the petroleum refining speed is accelerated;
after the petroleum refining is finished, stopping the rotation of the first forward and reverse rotation motor 2 to align the T-shaped chute 13 with the groove 9, controlling the second forward and reverse rotation motor to rotate reversely by a worker operating an electrical system, driving the flat gear 12 to rotate reversely by the reverse second forward and reverse rotation motor 11, driving the meshed rack 15 to move by the reverse rotating flat gear 12, further driving the T-shaped slider 14 fixedly connected on the rack 15 to transversely move to the groove 9 along the T-shaped chute 13, so that the T-shaped slider 14 is clamped with the groove 9, and simultaneously, the fastening effect of the second clamp 17 and the first clamp 16 on the screw rod 6 is also removed;
at the moment, under the control of an electrical system, the first forward and reverse rotating motor 2 is controlled to rotate reversely, the T-shaped slide block 14 and the groove 9 are in a clamping state, the rotation of the scraper 7 is limited, the scraper 7 is driven to move downwards along the screw rod 6 along the direction of the groove 9 formed in the cylinder 1, and in the process of moving downwards, the scraper 7 attached to the inner wall of the cylinder 1 scrapes off solid-liquid mixtures adhered to the inner wall of the cylinder 1; further, the inner wall of the cylinder body 1 is scraped completely, waste of solid-liquid mixture adhered to the inner wall of the cylinder body 1 is reduced, influence of the solid-liquid mixture adhered to the inner wall of the cylinder body 1 on refining of petroleum at the next time is avoided, the purity of refining of the petroleum is improved, and the solid-liquid mixture on the groove 9 is scraped under the clamping effect of the T-shaped sliding block 14 and the groove 9; the ball 8 between the scraper 7 and the screw 6 removes the solid-liquid mixture on the surface of the screw 6 in the process of moving downwards, thereby further reducing the waste of the solid-liquid mixture adhered in the cylinder 1; meanwhile, the downward moving scraper 7 also extrudes the solid-liquid mixture in the cylinder 1, so that the speed of discharging the solid-liquid mixture from the cylinder 1 is increased, and the production efficiency of the solid-liquid separation equipment for petroleum refining is improved; this is repeated when it is desired to refine the oil again.
As a specific embodiment of the present invention, a telescopic rod 18 is fixedly connected inside the scraper;
when petroleum is refined, the telescopic rod 18 in the scraper 7 far away from the liquid level of the petroleum can stretch into the liquid level under the action of gravity, the rotary scraper 7 drives the telescopic rod 18 extending out of the scraper 7 to rotate at the moment, the rotary telescopic rod 18 stirs the petroleum in the barrel 1, the petroleum at the bottom of the barrel 1 is enabled to be fully contacted with the petroleum on the surface of the barrel 1, the petroleum is heated uniformly in the refining process, and the refining speed of the petroleum is accelerated;
after petroleum refining is changed into a solid-liquid mixture, in the process of moving the scraper 7 downwards, the scraper 7 moves downwards along the screw rod 6 under the limitation of the bottom of the cylinder 1 to gradually compress the solid-liquid mixture in the cylinder 1, the telescopic rod 18 extending out of the scraper 7 is firstly contacted with the bottom of the cylinder 1, the telescopic rod 18 contacted with the bottom of the cylinder 1 is also gradually contracted along with the gradual downward movement of the scraper 7, after the solid-liquid mixture in the cylinder 1 is discharged, the scraper 7 reaches the bottom end of the groove 9, and the telescopic rod 18 on the scraper 7 is also contracted into the scraper 7; the telescopic rod 18 does not influence the scraping of the scraper 7 on the residual solid mixture on the inner wall of the barrel 1; when the interior of the barrel body 1 is filled with oil, the scraper 7 moves upwards along the screw rod 6 again, and at the moment, the telescopic rod 18 in the scraper 7 extends and retracts downwards under the action of self gravity, and the operation is repeated.
As a specific embodiment of the invention, one side of the cylinder 1 is provided with a filtering component for filtering the refined solid-liquid mixture; the filter assembly includes:
a filter tank 19; the filter box 19 is positioned on one side of the cylinder body 1 and is fixedly connected with the outer surface of the cylinder body 1;
an oil outlet pipe 21; the oil outlet pipe 21 penetrates through one side of the barrel 1, and one end, far away from the barrel 1, of the oil outlet pipe 21 extends into the filter box 19;
a baffle 22; the baffle 22 is connected with the oil outlet pipe 21 in a sliding way;
a filter screen 23; the filter screen 23 is arranged below the oil outlet pipe 21, and the filter screen 23 is fixedly connected with the inner wall of the filter box 19;
a slag discharge port 24; the slag discharge port 24 is fixedly connected with one side of the filter box 19 far away from the cylinder 1;
a liquid discharge port 25; the liquid outlet 25 is fixedly connected to one side of the filter box 19; for discharging the filtered oil;
after the refining of the petroleum in the cylinder 1 is finished, a worker opens the baffle 22 on the oil outlet pipe 21, the solid-liquid mixture in the cylinder 1 is discharged to the filter screen 23 in the filter box 19 from the oil outlet pipe 21 under the action of the self gravity and the scraping assembly, at the moment, the liquid in the solid-liquid mixture falling on the filter screen 23 flows to the bottom of the filter box 19 along the holes on the filter screen 23, and the solid particles in the solid-liquid mixture are blocked on the surface of the filter screen 23 by the filter screen 23, so that the solid-liquid separation effect is achieved;
after the solid-liquid mixture is separated, the liquid outlet 25 is opened by a worker, the liquid at the bottom of the filter box 19 flows out from the liquid outlet 25, the refined separated liquid is obtained, and the separated solid particles on the surface of the filter screen 23 need to be removed by the worker through the slag outlet 24, and the solid particles accumulated on the surface of the filter screen 23 are cleaned by a special tool, so that the cleanness of the surface of the filter screen 23 is improved, the situation that the filter speed of the filter screen 23 is slow due to the accumulation of the solid particles when the solid-liquid mixture is separated is avoided, and the solid-liquid separation speed is further improved.
As a specific embodiment of the present invention, the number of the filter screens 23 is more than one, and the holes on each filter screen 23 are arranged in a staggered manner; and the diameters of the holes on the filter screen 23 are decreased progressively in sequence;
the refined petroleum flows into the filter box 19 from the oil outlet pipe 21, the solid-liquid mixture is subjected to multi-stage filtration through a plurality of filter screen 23 plates which are sequentially and fixedly arranged from top to bottom, so that solid particles are arranged on different filter screens 23, the pore diameters of the filter screens 23 are sequentially reduced from top to bottom, the solid particle filtration efficiency is increased, and the problem of oil discharge difficulty caused by the fact that the solid particles are accumulated on the independent filter screens 23 is avoided;
meanwhile, the contact area and time between solid particles in the petroleum and the filter screen 23 are increased by the design of the holes on the filter screen 23 which are staggered with each other, so that the refined petroleum is filtered more fully, and the quality of a finished product of the petroleum refining is improved.
As a specific embodiment of the present invention, a spring 26 is fixedly connected between the filter screens 23;
the filter screens 23 fixedly connected in the filter box 19, when excessive refined solid-liquid mixture falls on the filter screens 23, the filter screens 23 are influenced by the gravity of the solid-liquid mixture, the filter screens 23 may be deformed and stacked together to influence the filtering effect of the filter screens 23, so that springs 26 are fixedly connected between each layer of the filter screens 23, an additional supporting point is provided between each layer of the filter screens 23, the phenomenon that the filter screens 23 deform due to the gravity of excessive petroleum in the filtering process of the filter screens 23 is avoided, and the service life of the filter screens 23 is prolonged; thereby ensuring the filtering effect of the filter screen 23;
when the oil contacts the filter screens 23, the springs 26 between the filter screens 23 on each layer buffer the gravity of the oil, when the springs 26 buffer the oil, the filter screens 23 are driven to shake, and in the shaking process of the filter screens 23, the flow rate of the oil on the filter screens 23 is increased, so that the filtering speed of the filter screens 23 is increased; meanwhile, the filter screen 23 which is shaken avoids solid particles in the petroleum from blocking the holes; the practicality of the filter screen 23 is improved.
As a specific embodiment of the present invention, a rubber block 27 is fixedly connected to one side of each of the first clamp 16 and the second clamp 17 close to the screw rod 6, and the rubber block 27 is made of butadiene-acrylonitrile rubber;
after the first clamp 16 and the second clamp 17 clamp the screw rod 6, the first forward and reverse rotating motor 2 drives the scraper 7 to rotate, and the first clamp 16 and the second clamp 17 clamp the surface of the screw rod 6 loosely due to the swinging of the screw rod 6 and the scraper 7, so that the screw rod 6 moves along the surface of the screw rod 6, a rubber block 27 is fixedly connected to one side of the clamps close to the screw rod 6, the friction force between the first clamp 16, the second clamp 17 and the screw rod 6 is increased, the phenomenon that the first clamp 16 and the second clamp 17 move along the surface of the screw rod 6 is prevented, and further the normal operation of equipment facilities is ensured;
in the petroleum refining process, the lead screw 6 can be subjected to heat transfer of petroleum refining in the cylinder 1, so that the temperature of the lead screw 6 rises, and therefore the rubber block 27 is made of butadiene-acrylonitrile rubber, the oil resistance, the wear resistance and the heat resistance are improved, the rubber block 27 is prevented from being damaged by the influence of the temperature, and the situation that the clamp is not clamped tightly due to the swinging of the lead screw 6 and the scraper 7 is avoided; the safety of the equipment is improved, and the normal operation of the equipment facilities is further ensured.
As a specific embodiment of the present invention, a monitoring module 28 is fixedly connected to the top of the T-shaped sliding block 14;
when petroleum is refined, the first forward and reverse rotation motor 2 drives the scraper 7 to rotate so as to stir the petroleum in the cylinder 1; after the stirring is completed, the T-shaped chute 13 on the scraper 7 can not be aligned with the groove 9 on the inner wall of the cylinder 1, at this time, the position of the groove 9 on the inner wall of the cylinder 1 is monitored through the monitoring module 28 connected with an external power supply, a sensing detector collects signals to generate pulse signals, the pulse signals are transmitted to the controller of the forward and reverse motor 2, the forward and reverse motor 2 is started according to the transmitted information of the groove 9, the position of the scraper 7 is adjusted, the T-shaped chute 13 is aligned with the groove 9, the situation that the scraping component can not scrape the inner wall of the cylinder 1 due to the fact that the T-shaped slide block 14 can not enter the groove 9 and is in sliding connection with the groove when the inner wall of the cylinder 1 is scraped is avoided, the accuracy of alignment between the T-shaped chute 13 and the groove 9 is further improved, and the T-shaped slide block 14 is ensured to enter the groove 9, thereby improving the cleaning effect of the scraping assembly on the inner wall of the cylinder body 1.
As a specific embodiment of the invention, a push plate 29 is fixedly connected to one end of the screw rod 6, which is far away from the first forward and reverse rotating motor 2;
the scraping component moves downwards under the driving of the forward and reverse rotation motor 2, the scraper 7 extrudes the petroleum in the cylinder body 1, the extruded petroleum flows out of the oil outlet pipe 21 to the filter box 19, the petroleum circulation speed is accelerated, in addition, in the downward moving process of the scraping component, the forward and reverse rotation motor 2 rotates to drive the screw rod 6 to rotate, the rotating screw rod 6 drives the fixedly connected push plate 29 to rotate, the rotating push plate 29 pushes the petroleum at the bottom of the cylinder to the oil outlet, the speed of the cylinder body 1 from which the petroleum is pushed out is further accelerated, the petroleum refining time is shortened, and the petroleum refining efficiency is improved;
in addition, in the petroleum refining process, the forward and reverse rotating motor 2 which rotates forward also drives the screw rod 6 to rotate, the rotating screw rod 6 drives the push plate 29 to rotate, so that petroleum in the cylinder 1 is stirred, the petroleum in the cylinder 1 is fully contacted with the bottom of the cylinder 1, the petroleum is uniformly heated, and the petroleum refining speed is accelerated; further improving the overall speed of the petroleum refining equipment.
The specific working process is as follows:
when petroleum needs to be refined, a worker opens the oil inlet pipe 4 to inject oil into the oil inlet pipe, opens the electric heating wire 3 while injecting the petroleum, and heats and refines the petroleum in the cylinder 1; at the moment, the first forward and reverse rotation motor 2 is controlled to rotate forwardly under the control of an electric system, the forward and reverse rotation motor drives the screw rod 6 to rotate, the screw rod 6 drives the scraper 7 to rotate, and the T-shaped slider 14 at the top of the scraper 7 is clamped with the groove 9 on the inner wall of the barrel 1, so that the T-shaped slider 14 limits the rotation of the scraper 7, the scraper 7 is enabled to move upwards along the screw rod 6 along the direction of the groove 9 formed on the barrel 1, and meanwhile, in the process that the scraper 7 rises, a cavity is formed between the scraper 7 and the bottom of the barrel 1 to generate negative pressure, so that petroleum is sucked into the barrel 1 from the oil inlet pipe 4, and the petroleum injection speed is increased;
when the scraper 7 rises to the top of the groove 9 along the groove 9, the rotation of the first forward and reverse rotation motor 2 is stopped, the oil inlet pipe 4 is closed, the oiling is stopped, at the moment, a worker operates an electrical system to control the second forward and reverse rotation motor to rotate forward, the forward rotation second forward and reverse rotation motor 11 drives the flat gear 12 to rotate, the rotating flat gear 12 drives the meshed rack 15 to move, and further drives the T-shaped slider 14 fixedly connected to the rack 15 to move transversely along the T-shaped chute 13, in the moving process, the second clamp 17 fixedly connected to the T-shaped slider 14 gradually approaches to the screw rod 6, when the second clamp 17 contacts with the first clamp 16, the first clamp 16 and the second clamp 17 are fastened on the screw rod 6, and the scraper 7 is fixed on the screw rod 6, so that the release position of the T-shaped slider 14 and the groove 9 is limited;
after the scraper 7 is fastened on the screw rod 6 by the fastening assembly, a worker operates an electric system to control a forward and reverse motor to rotate forward, the forward and reverse motor drives the screw rod 6 to rotate, the rotating screw rod 6 drives the scraper to rotate, the telescopic rod 18 far away from the petroleum liquid level scraper 7 can extend into the liquid level under the action of gravity, the rotating scraper 7 drives the telescopic rod 18 extending out of the scraper 7 to rotate at the moment, the rotating telescopic rod 18 stirs the petroleum in the barrel 1 to enable the petroleum at the bottom of the barrel 1 to be in full contact with the petroleum on the surface of the barrel 1, meanwhile, the rotating screw rod 6 drives the push plate 29 to rotate to stir the petroleum in the barrel 1, so that the petroleum in the barrel 1 is in full contact with the bottom of the barrel 1, and further the petroleum is uniformly heated;
after petroleum refining is finished, monitoring the position of a groove 9 on the inner wall of the cylinder body 1 through a monitoring module 28 connected with an external power supply, collecting signals by an inductive detector, generating pulse signals, transmitting the pulse signals to a controller of the first forward and reverse rotating motor 2, further enabling the first forward and reverse rotating motor 2 to start the first forward and reverse rotating motor 2 according to the transmitted information of the groove 9, adjusting the position of the scraper 7, and enabling the T-shaped chute 13 to be aligned with the groove 9; at the moment, a worker operates an electrical system to control the second forward and reverse motor to rotate reversely, the second forward and reverse motor 11 which rotates reversely drives the flat gear 12 to rotate reversely, the flat gear 12 which rotates reversely drives the meshed rack 15 to move, and further drives the T-shaped sliding block 14 fixedly connected to the rack 15 to transversely move to the groove 9 along the T-shaped sliding groove 13, so that the T-shaped sliding block 14 is clamped with the groove 9, and meanwhile, the fastening effect of the second clamp 17 and the first clamp 16 on the screw rod 6 is relieved;
at the moment, under the control of an electrical system, the first forward and reverse rotating motor 2 is controlled to rotate reversely, the T-shaped slide block 14 and the groove 9 are in a clamping state, the rotation of the scraper 7 is limited, the scraper 7 is driven to move downwards along the screw rod 6 along the direction of the groove 9 formed in the cylinder 1, and in the process of moving downwards, the scraper 7 attached to the inner wall of the cylinder 1 scrapes off solid-liquid mixtures adhered to the inner wall of the cylinder 1; further scraping the inner wall of the cylinder 1; under the clamping action of the T-shaped slide block 14 and the groove 9, the solid-liquid mixture on the groove 9 is scraped; the ball 8 between the scraper 7 and the screw 6 removes the solid-liquid mixture on the surface of the screw 6 in the process of moving downwards, and the scraper 7 moving downwards also extrudes the solid-liquid mixture in the cylinder 1, so that the speed of discharging the solid-liquid mixture from the cylinder 1 is increased, and the operation is repeated when oil needs to be refined again;
in the process of downward movement of the scraper 7, the scraper 7 moves downward along the screw rod 6 under the limitation of the bottom of the cylinder 1 to gradually compress the solid-liquid mixture in the cylinder 1, the telescopic rod 18 extending out of the scraper 7 is firstly contacted with the bottom of the cylinder 1, the telescopic rod 18 contacted with the bottom of the cylinder 1 is gradually contracted along with the gradual downward movement of the scraper 7, after the solid-liquid mixture in the cylinder 1 is discharged, the scraper 7 reaches the bottom end of the groove 9, and the telescopic rod 18 on the scraper 7 is also contracted into the scraper 7; the telescopic rod 18 does not influence the scraping of the scraper 7 on the residual solid mixture on the inner wall of the barrel 1; when the interior of the barrel body 1 is filled with oil, the scraper 7 moves upwards along the screw rod 6 again, and at the moment, the telescopic rod 18 in the scraper 7 extends and retracts downwards under the action of self gravity, and the operation is repeated;
after the refining of the petroleum in the cylinder body 1 is finished, a worker opens the baffle 22 on the oil outlet pipe 21, the solid-liquid mixture in the cylinder body 1 drives the fixedly connected push plate 29 to rotate under the action of the self gravity and the rotating screw rod 6, the rotating push plate 29 pushes the petroleum at the bottom of the cylinder body to the oil outlet, the speed of the cylinder body 1 from which the petroleum is pushed out is further increased, the solid-liquid mixture is discharged onto the filter screen 23 in the filter box 19 from the oil outlet pipe 21, the liquid in the solid-liquid mixture falling on the filter screen 23 flows to the bottom of the filter box 19 along the holes in the filter screen 23, the solid particles in the solid-liquid mixture are blocked on the surface of the filter screen 23 by the filter screen 23, and the solid-liquid separation effect is further achieved; the springs 26 are fixedly connected between each layer of the filter screen 23, an additional supporting point is provided between each layer of the filter screen 23, and the phenomenon that the filter screen 23 deforms due to the gravity influence of excessive petroleum in the filtering process of the filter screen 23 is avoided;
after the solid-liquid mixture is separated, the liquid outlet 25 is opened by a worker, the liquid at the bottom of the filter box 19 flows out from the liquid outlet 25, the refined separated liquid is obtained, and the separated solid particles on the surface of the filter screen 23 need to be removed by the worker through the slag outlet 24, and the solid particles accumulated on the surface of the filter screen 23 are cleaned by a special tool, so that the cleanness of the surface of the filter screen 23 is improved, the situation that the filter speed of the filter screen 23 is slow due to the accumulation of the solid particles when the solid-liquid mixture is separated is avoided, and the solid-liquid separation speed is further improved.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A solid-liquid separation device for petroleum refining comprises a cylinder body (1), a first forward and reverse rotation motor (2), an electric heating wire (3), an oil inlet pipe (4) and a base (5), wherein the first forward and reverse rotation motor (2) is fixedly connected to the top of the cylinder body (1), and an output shaft of the first forward and reverse rotation motor (2) penetrates through the top of the cylinder body (1) and is rotatably connected with the top of the cylinder body (1); is used for providing power; an oil inlet pipe (4) is arranged on one side of the cylinder body (1) in a penetrating way and used for conveying oil; the bottom of the barrel (1) is provided with an electric heating wire (3) for providing a heat source; one end of the base (5) is fixedly connected with the bottom of the barrel body (1), and one end, far away from the barrel body (1), of the base (5) is in contact with the ground; the method is characterized in that: also includes;
a scraping assembly; the scraping component is arranged in the cylinder body (1) and is used for scraping solid-liquid mixture on the inner wall of the cylinder body (1);
a fastening assembly; the fastening assembly is arranged in the cylinder body (1) and used for changing the motion state of the scraping assembly.
2. The solid-liquid separation apparatus for petroleum refining according to claim 1, characterized in that: the doctoring assembly includes:
a screw rod (6); one end of the screw rod (6) is fixedly connected with an output shaft of the first forward and reverse rotating motor (2);
a squeegee (7); the scraper (7) is sleeved on the screw rod (6);
a ball (8); the ball (8) is arranged between the screw rod (6) and the scraper (7);
a groove (9); the inner wall of the cylinder body (1) is provided with a groove (9).
3. The solid-liquid separation apparatus for petroleum refining according to claim 1, characterized in that: the fastening assembly includes:
a second positive and negative rotation motor (11); the second forward and reverse rotating motor (11) is fixedly connected to the top of the scraper (7);
a flat gear (12); the flat gear (12) is fixedly connected with an output shaft of a second forward and reverse rotating motor (11);
a T-shaped chute (13); the T-shaped sliding groove (13) is formed in the scraper (7);
a T-shaped slider (14); the T-shaped sliding block (14) is arranged in the T-shaped sliding groove (13);
a rack (15); the rack (15) is fixedly connected to one side, away from the T-shaped sliding groove (13), of the T-shaped sliding block (14); the rack (15) is meshed with the flat gear (12);
a first clamp (16); one end of the first clamp (16) is fixedly connected to the top of the scraper (7), and the first clamp (16) is connected with the screw rod (6) in a sliding manner;
a second clamp (17); one end of the second clamp (17) is fixedly connected to the T-shaped sliding block (14); and the second clamp (17) is connected with the scraper (7) in a sliding manner.
4. The solid-liquid separation apparatus for petroleum refining according to claim 2, characterized in that: an expansion link (18) is fixedly connected in the scraper (7).
5. The solid-liquid separation apparatus for petroleum refining according to claim 1, characterized in that: one side of the cylinder body (1) is provided with a filtering component for filtering the refined solid-liquid mixture; the filter assembly includes:
a filter box (19); the filter box (19) is positioned on one side of the cylinder body (1) and is fixedly connected with the outer surface of the cylinder body (1);
an oil outlet pipe (21); the oil outlet pipe (21) penetrates through one side of the barrel body (1), and one end, far away from the barrel body (1), of the oil outlet pipe (21) extends into the filter box (19);
a baffle (22); the baffle (22) is connected with the oil outlet pipe (21) in a sliding way;
a filter screen (23); the filter screen (23) is arranged below the oil outlet pipe (21), and the filter screen (23) is fixedly connected with the inner wall of the filter box (19);
a slag discharge port (24); the slag discharge port (24) is fixedly connected with one side of the filter box (19) far away from the cylinder body (1);
a liquid discharge port (25); the liquid outlet (25) is fixedly connected to one side of the filter box (19); for draining the filtered oil.
6. The solid-liquid separation apparatus for petroleum refining according to claim 5, characterized in that: the number of the filter screens (23) is more than one, and the holes on each filter screen (23) are arranged in a staggered manner; and the diameters of the holes on the filter screen (23) are gradually decreased.
7. The solid-liquid separation apparatus for petroleum refining according to claim 5, characterized in that: and springs (26) are fixedly connected between the filter screens (23).
8. The solid-liquid separation apparatus for petroleum refining according to claim 3, characterized in that: a rubber block (27) is fixedly connected to one side, close to the screw rod (6), of the first clamp (16) and the second clamp (17), and the rubber block (27) is made of butadiene-acrylonitrile rubber.
9. The solid-liquid separation apparatus for petroleum refining according to claim 3, characterized in that: and a monitoring module (28) is fixedly connected to the top of the T-shaped sliding block (14).
10. The solid-liquid separation apparatus for petroleum refining according to claim 2, characterized in that: and a push plate (29) is fixedly connected to one end, far away from the first forward and reverse rotating motor (2), of the screw rod (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210094053.9A CN114504860A (en) | 2022-01-26 | 2022-01-26 | Solid-liquid separation equipment for petroleum refining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210094053.9A CN114504860A (en) | 2022-01-26 | 2022-01-26 | Solid-liquid separation equipment for petroleum refining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114504860A true CN114504860A (en) | 2022-05-17 |
Family
ID=81550099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210094053.9A Pending CN114504860A (en) | 2022-01-26 | 2022-01-26 | Solid-liquid separation equipment for petroleum refining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114504860A (en) |
-
2022
- 2022-01-26 CN CN202210094053.9A patent/CN114504860A/en active Pending
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